Version bump to 2.16.0
Add missing argument for gs resumable uploads.
Merge pull request #1855 from zwilt/develop

Add missing argument for gs resumable uploads.
Add AWS CloudTrail support.
Add CloudTrail generated documentation for Sphinx, make sure CloudTrail gets installed with setup.py and a few minor fixes.
Redshift service updates
Merge branch 'cloudtrail' into develop

Adds support for AWS CloudTrail
Merge branch 'redshift-update' into develop

Redshift service update
Add release notes for 2.17.0
Version bump to 2.17.0